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AWS BVAg-30 vs. Grade 27 Titanium

AWS BVAg-30 belongs to the otherwise unclassified metals classification, while grade 27 titanium belongs to the titanium alloys. There are 15 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is AWS BVAg-30 and the bottom bar is grade 27 titanium.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 86
110
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 31
41
Tensile Strength: Ultimate (UTS), MPa 170
270

Thermal Properties

Latent Heat of Fusion, J/g 140
420
Melting Completion (Liquidus), °C 810
1660
Melting Onset (Solidus), °C 810
1610
Specific Heat Capacity, J/kg-K 280
540
Thermal Expansion, µm/m-K 19
8.7

Otherwise Unclassified Properties

Density, g/cm3 10
4.5

Common Calculations

Stiffness to Weight: Axial, points 4.7
13
Stiffness to Weight: Bending, points 14
35
Strength to Weight: Axial, points 4.7
17
Strength to Weight: Bending, points 6.7
21
Thermal Shock Resistance, points 7.6
21

Alloy Composition

Cadmium (Cd), % 0 to 0.0010
0
Carbon (C), % 0 to 0.0050
0 to 0.080
Copper (Cu), % 25.5 to 28.5
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 0
0 to 0.2
Lead (Pb), % 0 to 0.0020
0
Nitrogen (N), % 0
0 to 0.030
Oxygen (O), % 0
0 to 0.18
Palladium (Pd), % 4.5 to 5.5
0
Phosphorus (P), % 0 to 0.0020
0
Ruthenium (Ru), % 0
0.080 to 0.14
Silver (Ag), % 67 to 69
0
Titanium (Ti), % 0
99 to 99.92
Zinc (Zn), % 0 to 0.0010
0
Residuals, % 0
0 to 0.4